Has anyone figured out the Text area margins?  I have 3 different cards and it seems impossible to make them all look the same.  I have spent about 4-5 hours tweaking, but the last one just won't work, no mater what I do.  I assume there is something about the aspect ratio of the image that might be...

Agree.  When updating an image that is the same exact pixel size, you need to 'trick' the system and upload a different image, click Done.  Then go back to the image you want and reload it.  The portal will accept the new image.